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Halvor ØIEN

YA Yara International Asa: 1 patents #53 of 134Top 40%
📍 Porsgrunn, NO: #93 of 184 inventorsTop 55%
Overall (All Time): #3,330,822 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7563419 Method and device for supporting catalyst gauzes in an ammonia oxidation burner Leif Kåre Grønstad, Øystein Nirisen, Per Ivar KARLSEN, Magne Slåen 2009-07-21